Sodium hydrosulfide | CAS No. 16721-80-5

Q: What is Sodium hydrosulfide (CAS: 16721-80-5)?

Sodium hydrosulfide (CAS: 16721-80-5) is a colorless, fuming, hygroscopic liquid with the chemical formula NaHS. It is highly reactive and soluble in water, releasing hydrogen sulfide gas. It is used in various applications due to its reactivity and reducing properties.

Q: What are the main uses of Sodium hydrosulfide (CAS: 16721-80-5)?

Sodium hydrosulfide (CAS: 16721-80-5) is primarily used in the synthesis of organic compounds, as a reducing agent, and in the textile industry for desulfurization processes. It can also be used in the production of sulfur and other chemical intermediates.

Q: Is Sodium hydrosulfide (CAS: 16721-80-5) safe?

Sodium hydrosulfide (CAS: 16721-80-5) is considered hazardous due to its reactivity and corrosiveness. It is flammable and releases toxic hydrogen sulfide gas when exposed to air. Appropriate protective measures, such as wearing personal protective equipment, are essential when handling this compound.

Q: How should Sodium hydrosulfide (CAS: 16721-80-5) be stored?

Sodium hydrosulfide (CAS: 16721-80-5) should be stored in a cool, dry, and well-ventilated area away from sources of ignition and heat. It should be kept in a closed container made of materials resistant to its corrosive properties, such as glass or plastic, and protected from light and moisture to prevent degradation and the release of hydrogen sulfide gas.

Sodium hydrosulfide

Basic Information

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CAS Number

16721-80-5

Molecular Formula

HNaS

Molecular Weight

56.07 g/mol

Chemical Classification

Basic Chemical Raw Materials Inorganic Chemicals Acids

Basic Physical Properties

Melting Point

55 ºC

Water Solubility

620 g/L (20 ºC)

Flash Point

90 ºC

SMILES

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[Na+].[SH-]

InChI

InChI=1S/Na.H2S/h;1H2/q+1;/p-1

InChIKey

HYHCSLBZRBJJCH-UHFFFAOYSA-M

LogP

-3.5

Complexity

Safety Information

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Hazard Class

Class 4.2 Class 4.2

Stability

Stable, but hygroscopic. Flammable solid. May ignite in air.

Sensitiveness

Moisture Sensitive & Hygroscopic

Synonyms & References

English

SODIUM HYDROSULFIDE
GTPL6278
Sodium sulfhydrate
16721-80-5
Sodium sulfide (Na(SH))
Sodium mercaptan
NS00075797
NaHS
Sodium hydrogen sulfide, anhydrous
sodium sulfanide
EC 240-778-0
NSC 158264
UN2949
Sodium hydrosulfide, with not <25% water of crystallization [UN2949] [Corrosive]
Hydrogenosulfure de sodium [French]
Sodium hydrosulfide, with <25% water of crystallization
UNII-FWU2KQ177W
Hydrogenosulfure de sodium
Sodium hydrosulfide, with <25% water of crystallization [UN2318] [Spontaneously combustible]
NA2922
SODIUM HYDROSULFIDE [HSDB]
Sodium hydrogen sulfide (NaHS)
Sodium hydrogen sulfide
Hydrogen sodium sulfide
Sodium sulfide (Na(HS))
HSDB 5165
sodium hydro-sulfide
MFCD00011124
SODIUM BISULPHIDE
UN2318
DTXSID3029738

MDL Number

MFCD00149796

Customs Code

2830109000

FAQ

What is Sodium hydrosulfide (CAS: 16721-80-5)?

Sodium hydrosulfide (CAS: 16721-80-5) is a colorless, fuming, hygroscopic liquid with the chemical formula NaHS. It is highly reactive and soluble in water, releasing hydrogen sulfide gas. It is used in various applications due to its reactivity and reducing properties.

What are the main uses of Sodium hydrosulfide (CAS: 16721-80-5)?

Sodium hydrosulfide (CAS: 16721-80-5) is primarily used in the synthesis of organic compounds, as a reducing agent, and in the textile industry for desulfurization processes. It can also be used in the production of sulfur and other chemical intermediates.

Is Sodium hydrosulfide (CAS: 16721-80-5) safe?

Sodium hydrosulfide (CAS: 16721-80-5) is considered hazardous due to its reactivity and corrosiveness. It is flammable and releases toxic hydrogen sulfide gas when exposed to air. Appropriate protective measures, such as wearing personal protective equipment, are essential when handling this compound.

How should Sodium hydrosulfide (CAS: 16721-80-5) be stored?

Sodium hydrosulfide (CAS: 16721-80-5) should be stored in a cool, dry, and well-ventilated area away from sources of ignition and heat. It should be kept in a closed container made of materials resistant to its corrosive properties, such as glass or plastic, and protected from light and moisture to prevent degradation and the release of hydrogen sulfide gas.